In addition to what Tim said, you can use the new Charts widget: https://appstore.home.mendix.com/link/app/105695/
The widget is published by Mendix, and is therefore officially supported. It’s based on plotly.js, which is a very advanced JavaScript charting library.
Yep, it ended in 6.10: https://docs.mendix.com/releasenotes/studio-pro/6.10#reporting